PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-02:43:10
G08     297.9          22.9                7.4 +/-    1.59      15.1 +/-    1.59  0.070 / 0.040
G10     351.5          62.3                8.3 +/-    0.37       9.2 +/-    0.37  0.080 / 0.030
G14     225.2          42.6               10.6 +/-    2.03      14.8 +/-    2.03  0.050 / 0.060
G18     53.3           55.4                8.1 +/-    1.04       9.6 +/-    1.04  0.050 / 0.050
G21     142.4          46.4               10.1 +/-    0.46      13.3 +/-    0.46  0.080 / 0.080
G24     63.5           28.9                7.4 +/-    1.06      13.2 +/-    1.06  0.100 / 0.080
G27     259.5          34.3               11.8 +/-    0.91      18.9 +/-    0.91  0.030 / 0.030
G32     235.3          61.1               10.1 +/-    1.49      11.3 +/-    1.49  0.050 / 0.020